projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 47788c58 FW |
1 | #ifndef _TRACE_SYSCALL_H |
| 2 | #define _TRACE_SYSCALL_H | |
| 3 | ||
| a871bd33 | 4 | #include <linux/tracepoint.h> |
| fb34a08c JB |
5 | #include <linux/unistd.h> |
| 6 | #include <linux/ftrace_event.h> | |
| a871bd33 | 7 | |
| 47788c58 FW |
8 | #include <asm/ptrace.h> |
| 9 | ||
| a871bd33 | 10 | |
| 47788c58 FW |
11 | /* |
| 12 | * A syscall entry in the ftrace syscalls array. | |
| 13 | * | |
| 14 | * @name: name of the syscall | |
| c252f657 | 15 | * @syscall_nr: number of the syscall |
| 47788c58 FW |
16 | * @nb_args: number of parameters it takes |
| 17 | * @types: list of types as strings | |
| 18 | * @args: list of args as strings (args[i] matches types[i]) | |
| 540b7b8d LZ |
19 | * @enter_event: associated syscall_enter trace event |
| 20 | * @exit_event: associated syscall_exit trace event | |
| 47788c58 FW |
21 | */ |
| 22 | struct syscall_metadata { | |
| 23 | const char *name; | |
| c252f657 | 24 | int syscall_nr; |
| 47788c58 FW |
25 | int nb_args; |
| 26 | const char **types; | |
| 27 | const char **args; | |
| 540b7b8d LZ |
28 | |
| 29 | struct ftrace_event_call *enter_event; | |
| 30 | struct ftrace_event_call *exit_event; | |
| 47788c58 FW |
31 | }; |
| 32 | ||
| 33 | #ifdef CONFIG_FTRACE_SYSCALLS | |
| c44fc770 | 34 | extern unsigned long arch_syscall_addr(int nr); |
| a1301da0 | 35 | extern int init_syscall_trace(struct ftrace_event_call *call); |
| bd1a5c84 | 36 | |
| 10a5b66f LZ |
37 | extern int syscall_enter_format(struct ftrace_event_call *call, |
| 38 | struct trace_seq *s); | |
| 39 | extern int syscall_exit_format(struct ftrace_event_call *call, | |
| 40 | struct trace_seq *s); | |
| 540b7b8d LZ |
41 | extern int syscall_enter_define_fields(struct ftrace_event_call *call); |
| 42 | extern int syscall_exit_define_fields(struct ftrace_event_call *call); | |
| bd1a5c84 MH |
43 | extern int reg_event_syscall_enter(struct ftrace_event_call *call); |
| 44 | extern void unreg_event_syscall_enter(struct ftrace_event_call *call); | |
| 45 | extern int reg_event_syscall_exit(struct ftrace_event_call *call); | |
| 46 | extern void unreg_event_syscall_exit(struct ftrace_event_call *call); | |
| 47 | extern int | |
| 48 | ftrace_format_syscall(struct ftrace_event_call *call, struct trace_seq *s); | |
| 64c12e04 JB |
49 | enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags); |
| 50 | enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags); | |
| f4b5ffcc JB |
51 | #endif |
| 52 | #ifdef CONFIG_EVENT_PROFILE | |
| 3bbe84e9 LJ |
53 | int prof_sysenter_enable(struct ftrace_event_call *call); |
| 54 | void prof_sysenter_disable(struct ftrace_event_call *call); | |
| 55 | int prof_sysexit_enable(struct ftrace_event_call *call); | |
| 56 | void prof_sysexit_disable(struct ftrace_event_call *call); | |
| f4b5ffcc | 57 | |
| 47788c58 FW |
58 | #endif |
| 59 | ||
| 60 | #endif /* _TRACE_SYSCALL_H */ |